Sonja Lyubomirsky of the University of California at Riverside has discovered that the road toward a more satisfying and meaningful life involves a recipe repeated in schools, churches and synagogues.

• 有些心理学家将快乐的源头称之为“心流”，它通常来自于创造以及各种有趣的活动。“心流”的质量很大程度上取决于你如何做，而不是你做了什么。对于这种感觉，运动员、音乐家和作家们大概都有所体会。